Pollen-Pistil Interaction
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BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341594 What is emasculation?

1 Pollination between flowers of same plant
2 Pollination between flowers of different plant
3 Removal of stamens of plant to prevent self pollination
4 Artificial pollination
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341614 Which of the following statement is incorrect

1 Pollen grains of many species can germinate on stigma of a flower, but only one pollen tube of same species grows into style
2 Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of pistil.
3 Insect that consume pollen or nectar without bringing about pollination are called pollen/nectar robbers
4 Some reptiles have been reported as pollinators in some plant species.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341592 Artificial hybridization is achieved by

1 Emasculation
2 Bagging
3 Both 1 and 2
4 None of these
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341593 Which of the following is false about emasculation?

1 During emasculation process, stigma is removed
2 Emasculated flowers are bagged in order to prevent self-pollination
3 Emasuclation is the removal of stamens before maturation of selected bisexual flowers
4 It is one of the steps for artificial hybridization
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341595 Statement A :
Pollen grains shed at two-celled condition, in such plants, the vegetative cell divides and forms the two male gametes during the growth of pollen tube in the stigma.
Statement B :
Emasculated flowers have to be covered with a bag of suitable size, generally made up of butter paper

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
NEET DIGITAL LIBRARY
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341594 What is emasculation?

1 Pollination between flowers of same plant
2 Pollination between flowers of different plant
3 Removal of stamens of plant to prevent self pollination
4 Artificial pollination
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341614 Which of the following statement is incorrect

1 Pollen grains of many species can germinate on stigma of a flower, but only one pollen tube of same species grows into style
2 Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of pistil.
3 Insect that consume pollen or nectar without bringing about pollination are called pollen/nectar robbers
4 Some reptiles have been reported as pollinators in some plant species.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341592 Artificial hybridization is achieved by

1 Emasculation
2 Bagging
3 Both 1 and 2
4 None of these
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341593 Which of the following is false about emasculation?

1 During emasculation process, stigma is removed
2 Emasculated flowers are bagged in order to prevent self-pollination
3 Emasuclation is the removal of stamens before maturation of selected bisexual flowers
4 It is one of the steps for artificial hybridization
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341595 Statement A :
Pollen grains shed at two-celled condition, in such plants, the vegetative cell divides and forms the two male gametes during the growth of pollen tube in the stigma.
Statement B :
Emasculated flowers have to be covered with a bag of suitable size, generally made up of butter paper

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
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BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341594 What is emasculation?

1 Pollination between flowers of same plant
2 Pollination between flowers of different plant
3 Removal of stamens of plant to prevent self pollination
4 Artificial pollination
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341614 Which of the following statement is incorrect

1 Pollen grains of many species can germinate on stigma of a flower, but only one pollen tube of same species grows into style
2 Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of pistil.
3 Insect that consume pollen or nectar without bringing about pollination are called pollen/nectar robbers
4 Some reptiles have been reported as pollinators in some plant species.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341592 Artificial hybridization is achieved by

1 Emasculation
2 Bagging
3 Both 1 and 2
4 None of these
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341593 Which of the following is false about emasculation?

1 During emasculation process, stigma is removed
2 Emasculated flowers are bagged in order to prevent self-pollination
3 Emasuclation is the removal of stamens before maturation of selected bisexual flowers
4 It is one of the steps for artificial hybridization
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341595 Statement A :
Pollen grains shed at two-celled condition, in such plants, the vegetative cell divides and forms the two male gametes during the growth of pollen tube in the stigma.
Statement B :
Emasculated flowers have to be covered with a bag of suitable size, generally made up of butter paper

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
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BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341594 What is emasculation?

1 Pollination between flowers of same plant
2 Pollination between flowers of different plant
3 Removal of stamens of plant to prevent self pollination
4 Artificial pollination
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341614 Which of the following statement is incorrect

1 Pollen grains of many species can germinate on stigma of a flower, but only one pollen tube of same species grows into style
2 Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of pistil.
3 Insect that consume pollen or nectar without bringing about pollination are called pollen/nectar robbers
4 Some reptiles have been reported as pollinators in some plant species.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341592 Artificial hybridization is achieved by

1 Emasculation
2 Bagging
3 Both 1 and 2
4 None of these
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341593 Which of the following is false about emasculation?

1 During emasculation process, stigma is removed
2 Emasculated flowers are bagged in order to prevent self-pollination
3 Emasuclation is the removal of stamens before maturation of selected bisexual flowers
4 It is one of the steps for artificial hybridization
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341595 Statement A :
Pollen grains shed at two-celled condition, in such plants, the vegetative cell divides and forms the two male gametes during the growth of pollen tube in the stigma.
Statement B :
Emasculated flowers have to be covered with a bag of suitable size, generally made up of butter paper

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
NEET DIGITAL LIBRARY
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341594 What is emasculation?

1 Pollination between flowers of same plant
2 Pollination between flowers of different plant
3 Removal of stamens of plant to prevent self pollination
4 Artificial pollination
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341614 Which of the following statement is incorrect

1 Pollen grains of many species can germinate on stigma of a flower, but only one pollen tube of same species grows into style
2 Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of pistil.
3 Insect that consume pollen or nectar without bringing about pollination are called pollen/nectar robbers
4 Some reptiles have been reported as pollinators in some plant species.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341592 Artificial hybridization is achieved by

1 Emasculation
2 Bagging
3 Both 1 and 2
4 None of these
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341593 Which of the following is false about emasculation?

1 During emasculation process, stigma is removed
2 Emasculated flowers are bagged in order to prevent self-pollination
3 Emasuclation is the removal of stamens before maturation of selected bisexual flowers
4 It is one of the steps for artificial hybridization
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341595 Statement A :
Pollen grains shed at two-celled condition, in such plants, the vegetative cell divides and forms the two male gametes during the growth of pollen tube in the stigma.
Statement B :
Emasculated flowers have to be covered with a bag of suitable size, generally made up of butter paper

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.